Validity of recommended equation for estimated resting metabolic rate among female university students
ISPAH ePoster Library. George D. Oct 15, 2018; 225054; 12616
Dennora George
Dennora George
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Abstract Background:<\b>
University lifestyle choices, healthy or unhealthy, tend to become lifelong behaviours. In the Caribbean, adult overweight and obesity have reached epidemic proportions, especially among females. Overweight and obesity represent habitual positive energy balance. This has implication for future health and the optimization of investments in tertiary education. The estimation of resting energy expenditure is important in the determination of energy requirement. In this study, we compared resting metabolic rate (RMR) from recommended equation to that generated by indirect calorimetry among females attending university. Participation in the study was voluntary.Method: Participants had anthropometry measured using standard procedures. Percentage muscle mass, biometric impedance were estimated by a foot-to-foot bioelectric impedance analysis. Finally VO2 max and RMR were determined by indirect calorimetry using the MedGem indirect calorimetry device. This was compared to RMR from Harris-Benedict, Mifflin-St. Jeor, and Schofield equationsResults:<\b>
one hundred and four females ages 19-45 participated in the study. The mean difference for two MedGem estimation of RMR taken on participants 5-7 days apart was 3.0 (95% CI: -3.5, 10.1; P = 0.33) The MedGem indirect calorimetry device resulted in significantly lower estimates RMR than the Harris-Benedict (203 ± 39 kcal; p <0.001), Mifflin-St. Jeor (107 ± 37 kcal; p = 0.005), and Schofield (206 ± 43 kcal; p <0.001) equations. The equation gave estimates that were closest to indirect calorimetry. Conclusion:<\b>
Estimates of RMR generated by equations were higher than those from indirect calorimetry. This has implications for estimating calorie requirements based on these equations. External funding details Not applicable
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